Doogee S51 vs Xiaomi Redmi K40 Pro+

Doogee S51

Xiaomi Redmi K40 Pro+

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G network

-

5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE, Cat7, 301 Mbps download, 102 Mbps upload

LTE-A, 1174 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Class 8

Display
Display type

IPS LCD

Super AMOLED
Physical size

6.0 inches

6.67 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

268 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 20 MP, f/1.8 , 90˚ , 1/2.9" , 1.25 µm

(wide) , 108 MP, f/1.8 , 1/1.52" , 0.7 µm, 26 mm
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm

(ultrawide) , 8 MP, f/2.2 , 119˚
(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
Primary camera resolution

5184 x 3840 pixels

9280 x 6920 pixels
Primary camera video

1080p

8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Primary camera flash

quad-LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
DxOMark photo

-

113
DxOMark zoom

-

42
DxOMark video

-

102
DxOMark camera score

-

108

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximity

Accelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximity